#355ACE#355ACE

#355ACE is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.185 H 266.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#355ACE
RGB	rgb(53, 90, 206)
HSL	hsl(225, 61%, 51%)
HSV	hsv(225, 74%, 81%)
CMYK	cmyk(74.3%, 56.3%, 0%, 19.2%)
CIE-LAB	lab(42.04, 27.41, -63.85)
CIE-LCH	lch(42.04, 69.49, 293.23°)
OKLab	oklab(51.05% -0.0116 -0.1842)
OKLCH	oklch(51.05% 0.185 266.4)
XYZ	xyz(16.2610, 12.5237, 59.9409)
Luminance	0.1253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355ACE #CEA935

analogous

#35A6CE #355ACE #5C35CE

triadic

#355ACE #CE355A #5ACE35

tetradic

#355ACE #CE35A6 #CEA935 #35CE5C

square

#355ACE #CE35A6 #CEA935 #35CE5C

split-complementary

#355ACE #CE5C35 #A6CE35

monochromatic

#1B2F6E #27449F #355ACE #6682DA #98AAE6

Accessibility & contrast

On white

5.99

#355ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#355ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355ACE

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355ACE	#FFFFFF	#000000	##FFFFFF
##355ACE	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#005CCC

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355ace;
/* rgb */ color: rgb(53, 90, 206);
/* oklch */ color: oklch(51.0% 0.185 266.4);

Tailwind

colors: {
  custom: {
    50: '#8188de',
    500: '#355ace',
    950: '#000000',
  },
}

SCSS

$custom: #355ace;
$custom-light: #8188de;
$custom-dark: #000000;

JSON

{
  "hex": "#355ace",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 206
  },
  "hsl": {
    "h": 225.49,
    "s": 60.956,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51046,
    "c": 0.18453,
    "h": 266.4
  },
  "luminance": 0.12525
}

Semantic roles & 50–950 ramp

primary

#355ACE

secondary

#D1C18D

accent

#BD44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355ACE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →